[1] Mark is a nice, young, blond teenage boy, who's blind and, as of recently, is suffering from disturbing visions.

He lives with his cold, beautiful, older, blonde sister Christine and their strict, religious grandmother.

When the grandmother dies in a freak accident caused accidentally by Mark, he and Christine go to live in a rundown hotel in Venice owned by their sickly aunt and depressed uncle.

When the aunt dies, the uncle kills himself and the kids are left to their own devices.

They try to find out more about the mysterious hotel guest who calls himself Dan and who might be the father of Christine's child.